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Finding the Fourth Proportional to 239,214.52, 358,697.20 and 112,820.82

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Solution

The fourth proportional to 239,214.52, 358,697.20 and 112,820.82 is: 169,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,214.52 : 358,697.20 = 112,820.82 : x
  2. Step 2: Convert to fraction form
    239,214.52/358,697.20 = 112,820.82/x
  3. Step 3: Cross multiply
    239,214.52x = 358,697.20 × 112,820.82
  4. Step 4: Simplify right side
    239,214.52x = 40,468,512,235.70
  5. Step 5: Solve for x
    x = 40,468,512,235.70/239,214.52
  6. Step 6: Final answer
    x = 169,172.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.